They're her familiars they are shown much earlier but during her whole kill the evil god adventurer they're never shown, but she uses them to spy on people.I just don't recall her having the screens thing or the spider thing
I believe it was primarily caused by questionable hygiene on the food stall. Where the crowds of slum people (dirty) gathering together to eat food with no proper minimum hygienic procedures, like not washing hands before eating.i wonder how the food poisening happend?
did Pina only bought the cheapest food? was it sabotage from Remi? Or were it some nobles?